Doctor insights on:
Cell Membrane Dialysis Tubing
Diffusion difference: Diffusion (D) is the process of passive (without loss of energy) movement of any substance from higher concentration to the lower concentration of that substance. D depends on the membrane and varies from membrane to membrane. There is no diffusion across dialysis tubing. Dialyzer (D) membranes vary as well so they is no accurate way to correlate the rate of D from a biological membrane and D. ...Read more
Simple answer is that it is a medical technology used primarily to provide an artificial replacement for lost kidney function in people with renal failure. Hemodialysis remove wastes and excess water from the blood by circulating blood outside the body through an external filter, called a dialyzer. Blood and dialysate flow through in opposite directions and the ...Read more
Talk to doctor: What kind of dialysate, what kind of mebrane, all can and should be discussed with your renal doctor. ...Read more
It's complicated: Cholesterol stabilizes membranes and keeps them from melting / breaking down at both high and low temperatures but by different mechanisms. This is some serious physical chemistry. Ignore all the "pop" accounts you'll find online and ask a teacher at a good junior college. ...Read more
Yes: There's a variety of different toxins secreted by the salivary glands of venomous snakes. Depending on the species, some venoms attack nerves(neurotoxins), heart muscle(cardio toxins), blood cells (hemotoxins), cell membranes (phospholipases). The latter would cause lysis of cell membranes. ...Read moreSee 1 more doctor answer
I had IntraLasik done 2 months ago, epithelium came off during the surgery and new cells didn't want to grow properly and stick to membrane.Why?
I read viruses can steal the cell membrane of a cell after it kills it to blend in and not be detected by your body. How does your body then find it?
Temporary housing: A virus does move into a cell and take over its little factory sites to make new virus (not hide). After its presence has destroyed the integrity of that host cell, the cell wall breaks down and all the new viruses enter the blood to find new cells and start over. Your immune system (and fever response) detect the new viruses and work to kill them off.This is considered why your temp fluctuates ...Read more
If cell membrane rupture, can contents flowing out of the ruptured cell react with compounds in the extracellular fluid to form another compound? Why?
Yes: Yes. That is chemistry. In a living organism it is Biology/ Physiology. Happens all the time e.g . Malaria Parasite getting into the body through a Mosquito Bite (Extracellular), the parasites traveling to the liver & infecting Red Blood Cells (Intracellular) which then Burst from much parasite multiplication. Others like HIV AIDS also. ...Read more
If I am thinking of doing a non directed donor kidney donation, is there an advantage to doing it now or waiting 1/2 yrs? At the rate of stem cells and dialysis will it no longer be neccisary in 2 yrs
A noble decision: You are very sweet to consider donating a kidney. As you know organs can save lives and no matter when, it will benefit someone. Make sure you are in good health yourself and that none of your family members have kidney disease. When you have only one kidney left also avoid extreme sports and sports that involve blunt trauma/falls. To decide when and where is all up to you. ...Read moreSee 2 more doctor answers
What happens to the plasma membrane of the red blood cells of humans with liver disease to cause the formation of acanthocytes? Thank you.
Change in lipids: The liver is responsible for general metabolism in the body, and the plasma membrane has a complex collection of lipids that are responsible for its "fluidity" and shape. It is believed that the apolipoproteins are abnormal in liver disease and cause fragility of the rbc membrane causing fragmentation and formation of acanthocytes. See also: http://en.Wikipedia.Org/wiki/acanthocyte. ...Read moreSee 1 more doctor answer
While palpating, I pressed my caput epididymis very hard. Will some cell in rete testis burst or intracellular fluid flow out of broken cell membrane?
Doubt damage: It seems unlikely that pressing or pinching the epididymis would do more than cause bruising and irritation. If there is swelling/pain, wearing tight jockey shorts and sitting in a warm bathtub (not necessarily at the same time...) would be good first aid. If problems continue, consult your doctor or an urgent care. ...Read more
Is pemphis Vulgaris a pre-cancer condition, of the mucosal membrane's ? Also a small lesion on the back of the patient. The patient is my dad. I am concerned because it is my understanding that this disorder allows cells to abnormal reproduce. Is a cancer
Dialysis patient. 1 transfusion. My antibody count was to high to be admitted to a study on stem cells. Living donor. Anyway to lower antibodies count?
Not really: Antibody titers increase as a reaction to the antigen. Antigens are molecules (structures) on cells that give them a unique identity -- and so give you a reference to "self" or "not-self." in this case, you are making antibodies to something that cross reacts with the stem cell study (or equivalent). You can try to calm the immune system down (this is what medications do), but it is iffy. ...Read moreSee 1 more doctor answer
What is a genetic disease that prevents the phospholipids in the plasma membrane of the white blood cells?
Unusual: Not sure if i understand the question. There is a disorder called scott syndrome where phospholipids are abnormally oriented in the cell membranes. This prevents activation of the cell. The typical manifestation of this is bleeding disorder, due to the inability of platelets to become activated. ...Read more
My son 11 Ct scan right ear: What does it mean to have some mild membrane thickening in scattered mastoid air cells?
Mastoiditis: is an infection of the air cells of the mastoid sinuses, just behind the ear, a complication of otitis media. It is a more serious infection and requires specialized treatment. The CT finding you describe suggests there is no mastoiditis but possible low grade inflammation of some mastoid air cells . To prevent this make sure all ear infections are properly treated or tubes placed ...Read more
Im on dialysis, kidney failure, live donor same blood type, expearment, trick kidney with stem cells and bone marrow, how would i go about it.Get apointmet?
Check Internet: You should search online for info on centers engaged in this research. Can also visit: http://www.Nationalstemcellfoundation.Org/list-of-treatable-conditions/kidney-transplant/ which has link to research trials and can be a starting point to see which university/research centers are participating. ...Read more
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